Choose the correct answer from a, b, c or d :
1- The ancient Egyptians used ..................... for writing.
a) paper b) papyrus c) rubber d) glass beads
2- We usually do ..................... in the school laboratory.
a) homework b) science

c) experiments d) inventions
3- Ola works ................................ to get high marks.
a) hard b) hardly c) careless d) carelessly
4- If you add oil to some water, it ................................ .
a) float b) floats c) will float d) floated
5- I .............................. walk when I was two years old.
a) can b) could c) will d) must